If you’re wondering how Google’s new Gemini 3 compares to Gemini 3 Pro, here’s the short answer:
Gemini 3 is the overall generation name for Google’s latest AI models, while Gemini 3 Pro is the primary, developer-ready version designed for professional and enterprise use.
In other words: Gemini 3 is the family, Gemini 3 Pro is the engine that drives it.
And if you don’t have a Google Ultra subscription, there’s good news — GlobalGPT has already integrated Gemini 3 Pro, so you can try it for free today.

1. Overview – What Is Gemini 3 and Gemini 3 Pro?
Gemini 3 introduces a new era of intelligence within Google’s AI ecosystem. It is a multimodal foundational model capable of understanding text, images, video, audio, code, and PDFs within a single interface. It powers products like the Gemini App and AI Mode in Google Search.
Gemini 3 Pro, however, is the fully featured professional edition. It is available through the Gemini Pro and Ultra Subscriber, Gemini API, Vertex AI, Google Cloud, and the Gemini CLI. Developers, researchers, and power users interact with this model when building tools, coding agents, or generating high-fidelity content.
2. Core Distinctions Between Gemini 3 and Gemini 3 Pro
| Feature | Gemini 3 | Gemini 3 Pro |
|---|---|---|
| Purpose | General model for learning, search, creativity | Developer-grade and enterprise-grade model |
| Reasoning Capabilities | Handles common tasks | Advanced scientific, mathematical, and logical reasoning |
| Agentic Functions | ❌ Not available | ✅ Agentic coding, long-horizon planning, “vibe coding” |
| Multimodal Understanding | Text, audio, image, video, simple PDFs | Fully multimodal, handles complex documents and code |
| Context Window | 256K tokens | 1M tokens |
| Enhanced Mode | Standard reasoning | Deep Think Mode (Ultra only) |
| Image Generator | Nano Banana | Nano Banana Pro (4K HDR) |
| API & Integration | Limited | Full Gemini API, AI Studio, Vertex AI, Antigravity |
| Pricing | Free / entry level | Pro ($19.99/mo) & Ultra ($124.99/mo) |
| Best For | casual users | Developers, creators, businesses |
3. Performance and Benchmark Results
Gemini 3 Pro is Google’s best model for advanced reasoning and multimodal tasks.

Official performance scores include:
- LMArena Leaderboard: 1501 Elo
- Humanity’s Last Exam: 37.5%
- GPQA Diamond: 91.9% accuracy
- MathArena Apex: 23.4%
- MMMU-Pro & Video-MMMU: 81% and 87.6%
These benchmarks show that Gemini 3 Pro excels across scientific reasoning, data interpretation, coding tasks, and video understanding.
4. The Gemini 3 Deep Think Mode

Deep Think Mode is an advanced reasoning mode exclusive to Gemini 3 Pro (Ultra tier).
Google DeepMind reports:
- Humanity’s Last Exam: 41%
- GPQA Diamond: 93.8%
- ARC-AGI-2: 45.1%
This mode enhances chain-of-thought logic, reasoning depth, and mathematical precision. It is reserved for Ultra subscribers.
5. Access and Availability
Gemini 3 (Standard)
- Available in the Gemini App and AI Mode in Google Search
- Free with daily limits
- Oriented toward learning, creativity, and general tasks
Gemini 3 Pro
- Accessible via Gemini API, Google Cloud Vertex AI, AI Studio, and Gemini CLI
- Requires Gemini AI Pro or Ultra subscription
- Enables coding, agent workflows, and 4K Nano Banana Pro images
- Integrated into platforms like GlobalGPT, Cursor, Replit, JetBrains
6. Use Cases – Who Should Choose Which Version?
| User Type | Recommended Model | Reason |
|---|---|---|
| Learners / casual users | Gemini 3 | Great for education & daily tasks |
| Professional creators | Gemini 3 Pro | 4K images + creative coding |
| Developers / technologists | Gemini 3 Pro | API, Deep Think, agentic workflows |
| Enterprises | Gemini 3 Pro on Vertex AI | Scalability & security |
| AI researchers | Gemini 3 Pro + Deep Think | Long-context reasoning |
7. Key Takeaways – Gemini 3 vs Gemini 3 Pro
- Gemini 3 = the public-facing model for everyday use.
- Gemini 3 Pro = the powerful engine behind development, research, and enterprise workflows.
- Deep Think Mode is exclusive to Pro/Ultra.
- Pro users get 4K images via Nano Banana Pro and agentic automation.
- Both models mark Google’s shift toward adaptive, multimodal, context-aware AI.
Bottom Line:
Gemini 3 is the generation. Gemini 3 Pro is the version you actually use to build, code, and create.

